Самого запроса не видно в процеслисте, MySQL 5.6.23, use_persistent_connection: false.
[root@srv0 public_html]# cat /proc/version
Linux version 2.6.32-531.23.3.lve1.2.66.el6.x86_64 (mockbuild@koji.cloudlinux.com) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC) ) #1 SMP Fri Sep 12 10:57:40 EDT 2014